The solipsism surrounding the energy concept was there at the beginning, before Einstein, of course. To escape the solipsism underlying relativity we must remember that energy does not exist, nor does it occur. Only matter exists and only the motion of matter occurs. Energy is a description, not a thing or a motion. One particularly evident problem is the lack of rigor in its usage. Because it is a matter-motion term, it sometimes is used as matter and sometimes as motion. Potential energy is one of the better examples of the confusion. Here we speak of the potential for motion, not motion itself. PE relates to the relationship between things and then gets the matter connotation. I am definitely not against the energy concept, just the way it is used. We need to guard against the trap that Einstein and his followers fell into: the solipsistic belief that the math is more real than the matter in motion it attempts to describe. I try to use matter and motion instead of energy when those words will do instead (see my assumption of CONSERVATION). It can’t hurt (except maybe for getting published) and it will help us get out of the muck that is Relativity. Even Feynman realized that the Conservation of Energy was really just the conservation of a principal, not of anything or of any motion:
"There is a fact, or if you wish, a law, governing natural phenomena that are known to date. There is no known exception to this law; it is exact, so far we know. The law is called conservation of energy; it states that there is a certain quantity, which we call energy, that does not change in manifold changes which nature undergoes. That is a most abstract idea, because it is a mathematical principle; it says that there is a numerical quantity, which does not change when something happens. It is not a description of a mechanism, or anything concrete; it is just a strange fact that we can calculate some number, and when we finish watching nature go through her tricks and calculate the number again, it is the same."
—The Feynman Lectures on Physics (Feynman, Richard (1964). The Feynman Lectures on Physics; Volume 1. U.S.A: Addison Wesley. ISBN 0-201-02115-3. )
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